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Code Issues Wiki Activity

resource tree to present nice looking hierarchical view to the user

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This commit is contained in:
Andrew Gvozdev 2011-08-02 17:02:37 -04:00
parent e1e1bc2e19
commit f8a545a2fb
2 changed files with 48 additions and 43 deletions
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7
core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/language/settings/providers/LanguageSettingsManager.java
View file

@ -61,7 +61,12 @@ public class LanguageSettingsManager {
}
/**
* TODO
* Builds for the provider a nice looking resource tree to present hierarchical view to the user.
*
* @param provider - language settings provider to build the tree for.
* @param cfgDescription - configuration description.
* @param languageId - language ID.
* @param project - the project which is considered the root of the resource tree.
*/
public static void buildResourceTree(LanguageSettingsSerializable provider, ICConfigurationDescription cfgDescription, String languageId, IProject project) {
LanguageSettingsExtensionManager.buildResourceTree(provider, cfgDescription, languageId, project);

84
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/LanguageSettingsExtensionManager.java
View file

@ -393,7 +393,14 @@ public class LanguageSettingsExtensionManager {
}
/**
* TODO
* Builds for the provider a nice looking resource tree to present hierarchical view to the user.
* Note that it is not advisable to "compact" the tree because of potential loss of information
* which is especially important during partial or incremental builds.
*
* @param provider - language settings provider to build the tree for.
* @param cfgDescription - configuration description.
* @param languageId - language ID.
* @param folder - container where the tree roots.
*/
public static void buildResourceTree(LanguageSettingsSerializable provider, ICConfigurationDescription cfgDescription, String languageId, IContainer folder) {
IResource[] members = null;
@ -420,61 +427,39 @@ public class LanguageSettingsExtensionManager {
List<ICLanguageSettingEntry> candidate = null;
int candidateCount = 0;
for (IResource rc : members) {
if (rc instanceof IFile) {
IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(rc.getName());
if (contentType==null) {
if (!isLanguageInScope(rc, cfgDescription, languageId)) {
rcNumber--;
} else {
List<ICLanguageSettingEntry> entries = provider.getSettingEntries(null, rc, languageId);
if (entries==null && rc instanceof IContainer) {
rcNumber--;
if (candidateCount > rcNumber/2) {
majorityEntries = candidate;
break;
} else {
Integer count = listMap.get(entries);
if (count==null) {
count = 0;
}
continue;
}
ILanguage lang = LanguageManager.getInstance().getLanguage(contentType);
List<String> languageScope = provider.getLanguageScope();
if (lang==null || (languageScope!=null && !languageScope.contains(lang.getId()))) {
rcNumber--;
if (candidateCount > rcNumber/2) {
majorityEntries = candidate;
break;
count++;
if (count>candidateCount) {
candidateCount = count;
candidate = entries;
}
continue;
listMap.put(entries, count);
}
}
List<ICLanguageSettingEntry> entries = provider.getSettingEntries(null, rc, languageId);
if (entries==null && rc instanceof IContainer) {
rcNumber--;
if (candidateCount > rcNumber/2) {
majorityEntries = candidate;
break;
}
continue;
}
Integer count = listMap.get(entries);
if (count==null) {
count = 0;
}
count++;
if (count > rcNumber/2) {
majorityEntries = entries;
if (candidateCount > rcNumber/2) {
majorityEntries = candidate;
break;
}
if (count>candidateCount) {
candidateCount = count;
candidate = entries;
}
listMap.put(entries, count);
}
if (majorityEntries!=null) {
provider.setSettingEntries(cfgDescription, folder, languageId, majorityEntries);
}
// second pass - assign the entries to the folders
for (IResource rc : members) {
List<ICLanguageSettingEntry> entries = provider.getSettingEntries(null, rc, languageId);
if (entries!=null && entries==majorityEntries) {
@ -484,6 +469,21 @@ public class LanguageSettingsExtensionManager {
}
}
}
private static boolean isLanguageInScope(IResource rc, ICConfigurationDescription cfgDescription, String languageId) {
if (rc instanceof IFile) {
ILanguage lang = null;
try {
lang = LanguageManager.getInstance().getLanguageForFile((IFile) rc, cfgDescription);
} catch (CoreException e) {
CCorePlugin.log("Error loading language settings providers extensions", e); //$NON-NLS-1$
}
if (lang==null || (languageId!=null && languageId.equals(lang.getId()))) {
return false;
}
}
return true;
}
private static boolean checkBit(int flags, int bit) {
return (flags & bit) == bit;